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drilling device

A drilling device and technology to be drilled, applied in the direction of boring/drilling, drilling/drilling equipment, portable drilling rigs, etc., can solve the problems of small-diameter pipe drilling, etc., to reduce the size and avoid touching adjacent The effect of ensuring the safety of equipment

Active Publication Date: 2019-01-25
CHINA GENERAL NUCLEAR POWER OPERATION +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to address the problem that the current drilling tools cannot drill small-diameter tubes in a narrow space, and provide a drilling tool that can drill thermocouple conduits and realize drilling operations in a narrow space. device

Method used

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Embodiment Construction

[0061] In order to make the purpose, technical solution and advantages of the present invention clearer, the drilling device of the present invention will be further described in detail through the following examples and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0062] see Figure 1 to Figure 3 , figure 1 It is a perspective view of installing a reactor thermocouple column 200 on a drilling device 100 according to an embodiment of the present invention, figure 2 for figure 1 A top view of the reactor thermocouple column 200 installed on the shown drilling device 100, image 3 for figure 1A perspective view of the drilling device 100 is shown. The present invention provides a drilling device 100, which is used for drilling a workpiece to be drilled. In the present embodiment, the workpiece to be drilled refers to ...

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Abstract

The invention provides a drilling device which comprises a base fixed on a workpiece to be drilled, a body mounted on the base, a moving mechanism which is arranged on the body and can move towards or away from the base, and a drilling mechanism arranged on the moving mechanism, wherein the moving mechanism can drive the drilling mechanism to move towards or away from the base; the drilling mechanism comprises a driving member and a drill; the driving member is connected with the drill in a transmission manner; the drill extends towards the workpiece to be drilled; and the driving member drives the drill to drill the workpiece to be drilled. The drilling device realizes drilling work of the workpiece to be drilled; all the parts of the drilling device are fully distributed in a height space, and are compactly distributed in a horizontal space, so that the size of the drilling device in the horizontal space is reduced, and the drilling device is particularly suitable for the drilling work in a small space; and therefore, the drilling effect is guaranteed, contact with an adjacent workpiece to be drilled can be effectively avoided, and equipment safety is guaranteed.

Description

technical field [0001] The invention relates to the technical field of drilling equipment, in particular to a drilling device used for drilling thermocouple conduits of nuclear power plant reactors. Background technique [0002] Reactor thermocouples in nuclear power plants are mainly used to measure the temperature of the reactor core. The thermocouple conduit is used as the channel of the thermocouple, and together with the thermocouple conduit seat, it becomes the pressure boundary of the primary circuit. Therefore, the thermocouple conduit and its conduit seat are related to the primary circuit pressure boundary of the nuclear power plant. The integrity of nuclear power plants is critical to the safety of nuclear power plant units. Usually, the working environment where the thermocouple column is located is narrow, and the distance between the thermocouple column and the three-side enclosure is only about 120mm; The root diameter of the catheter is about 8mm, and the di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B45/14B23B41/00
CPCB23B41/00B25H1/0021
Inventor 谭毅郑孝纲陆志鸿胡建强
Owner CHINA GENERAL NUCLEAR POWER OPERATION
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